comparison: src/buffer.c
src/buffer.c
- changeset 1131
- 644f77f903b1
- parent 1128
- 3672b89e606c
equal
deleted
inserted
replaced
| 1130:5bcb725119b6 | 1131:644f77f903b1 |
|---|---|
| 354 size_t size, | 354 size_t size, |
| 355 size_t nitems, | 355 size_t nitems, |
| 356 CxBuffer *buffer | 356 CxBuffer *buffer |
| 357 ) { | 357 ) { |
| 358 size_t pos = buffer->pos; | 358 size_t pos = buffer->pos; |
| 359 buffer->pos = buffer->size; | 359 size_t append_pos = buffer->size; |
| 360 buffer->pos = append_pos; | |
| 360 size_t written = cxBufferWrite(ptr, size, nitems, buffer); | 361 size_t written = cxBufferWrite(ptr, size, nitems, buffer); |
| 361 buffer->pos = pos; | 362 // the buffer might have been flushed |
| 363 // we must compute a possible delta for the position | |
| 364 // expected: pos = append_pos + written | |
| 365 // -> if this is not the case, there is a delta | |
| 366 size_t delta = append_pos + written*size - buffer->pos; | |
| 367 if (delta > pos) { | |
| 368 buffer->pos = 0; | |
| 369 } else { | |
| 370 buffer->pos = pos - delta; | |
| 371 } | |
| 362 return written; | 372 return written; |
| 363 } | 373 } |
| 364 | 374 |
| 365 int cxBufferPut( | 375 int cxBufferPut( |
| 366 CxBuffer *buffer, | 376 CxBuffer *buffer, |
